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Finding the Fourth Proportional to 3,468.48, 4,782 and 2,521.18

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Solution

The fourth proportional to 3,468.48, 4,782 and 2,521.18 is: 3,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.48 : 4,782 = 2,521.18 : x
  2. Step 2: Convert to fraction form
    3,468.48/4,782 = 2,521.18/x
  3. Step 3: Cross multiply
    3,468.48x = 4,782 × 2,521.18
  4. Step 4: Simplify right side
    3,468.48x = 12,056,282.76
  5. Step 5: Solve for x
    x = 12,056,282.76/3,468.48
  6. Step 6: Final answer
    x = 3,475.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.